Home / 229,528.23-316,728.78-127,547.21

Finding the Fourth Proportional to 229,528.23, 316,728.78 and 127,547.21

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Solution

The fourth proportional to 229,528.23, 316,728.78 and 127,547.21 is: 176,003.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,528.23 : 316,728.78 = 127,547.21 : x
  2. Step 2: Convert to fraction form
    229,528.23/316,728.78 = 127,547.21/x
  3. Step 3: Cross multiply
    229,528.23x = 316,728.78 × 127,547.21
  4. Step 4: Simplify right side
    229,528.23x = 40,397,872,215.70
  5. Step 5: Solve for x
    x = 40,397,872,215.70/229,528.23
  6. Step 6: Final answer
    x = 176,003.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.